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Article

Breeding cycle of the Southern Bald Ibis, Geronticus calvus

G. Kopij, Auteur ; O. B. Kok, Auteur ; R. J. Nuttall, Auteur

Dans Ostrich (71(3-4) SEP 2000)

The breeding cycle of the Southern Bald Ibis, Geronticus calvus, was studied at a colony In the eastern Free State. Birds were paired before breeding commenced and nest building began regularly two weeks before the first eggs were laid. Nesting [...]

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Article

Diet of pipits in South African grassland

G. Kopij, Auteur ; D. H. de Swardt, Auteur ; R. J. Nuttall, Auteur

Dans Ostrich (73(1-2) MAR 2002)

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